A surprise skitter attack leaves the 2nd Mass without food. In desperation, Maggie, Ben, Pope, and Sara go on a dangerous mission hoping to find supplies. Along the way, they encounter a family deeply scarred by the Espheni plan. Maggie must make false promises to insure the 2nd Masses' survival. Meanwhile, Tom and Anne discover the Espheni have created something part Espheni, part Skitter, part Hornet.. and part human.